Refactoring of code generation for declarations, in preparation for modules.

src/full-codegen.h

Index: src/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen.h
index 25e3dba124dfc2f954b5b4dffa90f2e67784443f..ead99586f7edd0dff3d68ad3efebf25a8aea9865 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen.h
@@ -418,12 +418,9 @@ class FullCodeGenerator: public AstVisitor {
                                     Label* if_true,
                                     Label* if_false);
 
-  // Platform-specific code for a variable, constant, or function
-  // declaration.  Functions have an initial value.
-  // Increments global_count_ for unallocated variables.
-  void EmitDeclaration(VariableProxy* proxy,
-                       VariableMode mode,
-                       FunctionLiteral* function);
+  // If enabled, emit debug code for checking that the current context is
+  // neither a with nor a catch context.
+  void EmitDebugCheckDeclarationContext(Variable* variable);
 
   // Platform-specific code for checking the stack limit at the back edge of
   // a loop.
@@ -551,12 +548,8 @@ class FullCodeGenerator: public AstVisitor {
   Handle<Script> script() { return info_->script(); }
   bool is_eval() { return info_->is_eval(); }
   bool is_native() { return info_->is_native(); }
-  bool is_classic_mode() {
-    return language_mode() == CLASSIC_MODE;
-  }
-  LanguageMode language_mode() {
-    return function()->language_mode();
-  }
+  bool is_classic_mode() { return language_mode() == CLASSIC_MODE; }
+  LanguageMode language_mode() { return function()->language_mode(); }
   FunctionLiteral* function() { return info_->function(); }
   Scope* scope() { return scope_; }